Question

if a sin theta + b cos theta is equal to C then find the value of a cos theta minus B sin theta​

Answer 1

Answer:

A cosθ - B sinθ = √A² + B² - C²

Step-by-step explanation:

for full explanation , plz see attached file :)

Formula used :

• sin²θ + cos²θ = 1
• (a+b)² = a² + b² +2ab
• (a-b)² = a² + b² - 2ab

Thanks ❤